f = ast_audiohook_write_list(chan, chan->audiohooks, AST_AUDIOHOOK_DIRECTION_READ, f);
if (old_frame != f)
ast_frfree(old_frame);
f = ast_audiohook_write_list(chan, chan->audiohooks, AST_AUDIOHOOK_DIRECTION_READ, f);
if (old_frame != f)
ast_frfree(old_frame);